Systems Lecture (Articulations)

Question 1

Classifications of joints

Answer 1

Fibrous: held together by connective tissue
Cartilagenous: joined by cartilage
Synocial: fluid filled synovial cavity, bones enclosed within a capsule, joined by various ligaments

Question 2

Functional Classification

Answer 2

Synarthrosis: immovable joints
Amphiarthrosis: semi movable
Diarthrosis: freely movable

Question 3

Fibrous Joints

Answer 3

Gumphosis- hold teeth down
Suture- between cranial bone plates
Syndesmosis- helt together by fibrous ligaments ( distal radial ulnar joing, distal tibiofibular joint)

Question 4

Cartilaginous

Answer 4

Synchondroses- between sternum and ribs (contain hyaline cartilage)
Symphyses- pubic symphysis, IVDs (contain fibrocartilage)

Question 5

Synovial

Answer 5

Planar: carpal/tarsal bones/ between vertebrae
Hinge: elbow, knee, DIP, PIPs of foot and hand
Pivot: dens and axis, distal and proximal radioulnar joints
Condyloid: MCP and MTP joints
Saddle: joint between 1st MC and trapezium
Ball and socket: shoulder and hip

Question 6

Arthritis

Answer 6

degenerative of inflammatory diseases of joints that can lead to pain, swelling or stifness
Gouty: from diet
OA: from mechanical use
Rheumatoid: genetic